Ultrahuman Ring Air Size 10 Matte Grey

The Ring Air Size 10 Matte Grey tracks sleep, heart rate, steps, and skin temperature for all-day health monitoring.

Sized for a standard US ring size 10, this Ultrahuman fitness tracker fits comfortably on your finger and is designed for continuous wear, including overnight. Its lightweight construction uses fighter jet grade titanium reinforced with a tungsten carbide carbon coating, while the inner surface is coated with medical-grade hypoallergenic epoxy resin for skin comfort.

Bluetooth v5.0 connectivity links the ring to iPhones running iOS 15 or later and Android devices running Android 6 or later. The battery lasts 4 to 6 days on a full charge, and the ring is water resistant up to 100 meters for up to 12 hours, making it suitable for daily routines and sleep tracking. Sensor technology includes infrared photoplethysmography, non-contact medical-grade skin temperature, and a 6-axis motion sensor for comprehensive biometrics.

Model 170137 in grey comes with a 1 year manufacturer's warranty.